Tagged Questions

The GNU Lesser General Public License is a weak copyleft free software license and is the second most popular open source license. It is generally designed for and used by software libraries. This tag is for questions related to the GNU General Public License that are not requests for legal advice.

I would like to inquire information on the conditions of the LGPL licensing scheme. My English is not very fluent and I would be grateful to have someone familiar with the license summarize it in a ...

I want to develop a C++ application that will work on ALL operating systems. This application will be free until version 1.5 (to make sure it is of high quality). I do not want this application to be ...

I have searched for PDF reader library that is licenced under LGPL or the like but could not find. I found only GPLs. Now I need a help to write my own library to read the PDF file and display it in ...

I need to compile LGPL licensed code into a proprietary static iOS library. Since the code is used in static library I can't link against a precompiled version of the LGPL licensed library.
How do I ...

I found a lot of articles said ExtJs 2.0.2 is the last LGPL version of ExtJs, and from 2.1, it becomes GPL 3.0.
But I also heard someone said: ExtJs 2.0, 2.0.1, 2.0.2 are all GPL, not LGPL. (I can't ...

As I understand it, you are not allowed to integrate parts of a LGPL library into your own non-LGPL program (by linking statically to it, for instance) but have to link to it using a shared library.
...

I have a simple question. We are an application development company and we want to develop an application for one of our customers. The customer doesn't want to sell or redistribute the product, only ...

I am thinking about creating an open source project that would combine forks of two different open source projects that would be slightly refactored and evolve over time, and only portions of those ...

I want to encrypt the SQLite database in my QT application. This tutorial: http://www.qtcentre.org/wiki/index.php?title=Building_QSQLITE_driver_with_AES-256_encryption_support seems promising. But I ...

I understand that PoDoFo is LGPL and as long as certain conditions are met in can be distributed with and used in a commercial application. However it makes use of libraries that are licensed under ...

I am creating a project which uses JFreeChart library which is licensed under LGPL. I am not modifying the original JFreeChart library. I intend to release this project under LGPL license. Can I do ...

I am writing a game to be released under the AGPLv3, and I want to know if I can statically link it against LGPLed libraries such as SDL, glib, etc. I know this is OK if my game was under the GPL but ...

I want to license my code and I don't care if it is used on a proprietary code, since it advise it's using it (Author attribution).
Also, I don't want derived code (forked, improved...) to be closed ...

I have an application which is open source (on java.net). The code base is LGPL, but it depends on some number of third party libraries which have a few different licenses:
MIT
Apache
Perhaps one or ...

I found a few questions related to this around here but not exactly what I need. I'm working on a product that uses several LGPL licensed products that I modified and my own code as well. I want to ...

I am currently developing an iPhone application where I would like to use some existing code which is published under the LGPL. Because of the nature of Apple’s App Store the application would not be ...

I'm thinking of incorporating CKeditor in my proprietary CMS. Perhaps I will write one or two plug-ins for it as well (for instance: custom Flash or Image selector dialogs).
I have a pretty hard time ...

I need a JSON library for JavaME and found this one. However, they have recently changed their license from the json.org license to LPGL.
Now, LGPL specifies that you must make it possible for your ...

I want to use certain libraries in my application which have licenses that are compatible with closed-source distribution, such as LGPL and BSD. However, on the Linux distribution I use, Ubuntu, the ...

I want to create app that would be sold by Mac App Store by $n, but I want to open its source. Everybody will be able to look source and compile it (if they have xcode, of course). What license I can ...

The Free Software Foundation considers EPL and GPL to be incompatible. Based on my reading of their reasoning, it would seem that the LGPL would be similarly affected -- IANAL, please correct me if ...

Hypothetical question - in order to understand licensing better. Not asking for legal advice. Please answer any parts of the question that you are comfortable with.
Suppose I want to build a program ...

I would like to use some icons from the Open Icon Library Project (http://openiconlibrary.sourceforge.net/) in my small commercial web app.
The section on the open icon library site that talks about ...

I have some licensing questions that I'm having trouble finding solid answers to on sites like opensource.org. Here's the premise. I have an application I'm developing. This application will use some ...

What actually happens with small MCU based systems that are using LGPL libraries.
On big PC based systems you can select how you link with the libraries, but on those small systems everything links ...